Take IIS backup in SharePoint Server

Step1: Start --> Administrative Tools-->IIS Manager
Step2: Right Click on Computer Name --> All Tasks--> Backup/Restore
Step3: Click on Create Backup
Step4: Name the Backup File and make the backup file password protected
Step5: Done!!
Step6: Check the Backup file in C:\WINDOWS\system32\inetsrv\MetaBack it will be in 2 names .
Step7: to restore them Click on Restore option